<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 流年 <liu21st@gmail.com>
// +----------------------------------------------------------------------

// 应用公共文件
/**
 * 检查手机号码格式
 * @param $mobile 手机号码
 */
function check_mobile($mobile) {
    if ( !empty($mobile) ) {
        if( preg_match("/^1[3456789]\d{9}$/", $mobile) ){
            return true;
        }
    }
    return false;
}